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Safety New Class of VOC Sensors
Standards-compliant EMF Measurement Solutions from 0 Hz to 90 GHz –
Planning Security for the Future With 5G Reserves
Alphasense has launched a new sensor for the measurement of VOCs (Volatile Organic Compounds). The new p-type Metal Oxide sensor is a broadband total VOC detector with a range of 0 to 100 ppm (isobutylene) and 10-50 ppb detection limit, depending on the VOC. “This new class of metal oxide sensor will complement our existing range, which also includes PIDs, offering a lower cost alternative that is unaffected by humidity and has low drift,” comments Alphasense Director Arthur Burnley.
The new VOC sensor will be of particular interest to manufacturers and developers of instruments and monitoring systems for applications such as process monitoring, occupational safety, leak detection and environmental monitoring. Typical VOCs measured by the sensor include solvents, sterilants and petrochemicals.
Explaining the reasons for offering a variety of VOC monitoring technologies, Arthur says: “There are many factors affecting the choice of VOC sensor. These include: target gases, measurement range, sensitivity, power requirement, over gas limit, environmental conditions, response factors, possible interferences and of course, budget. Consequently, there is no one sensor that meets all needs, so we have developed different technologies and different variants for each technology, so that customers can choose the sensor that best meets their requirements.
“However, there is one sensor requirement that is common to all customers, and that is reliability; which is why Alphasense invests heavily in product development and a rigorous automated test and validation system. As a consequence, we are able to boast the lowest warranty returns in the industry.”
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BENZENE DETECTION?
ION SCIENCE HANDHELD, PERSONAL AND FIXED PID DETECTORS PROVIDE FAST, ACCURATE DETECTION OF BENZENE WITH OPTIMAL RESISTANCE TO HUMIDITY AND CONTAMINATION.
ionscience.com Unrivalled Gas Detection.
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Standards-compliant EMF measurement solutions (for electrical and magnetic fields) from Narda STS ensure customers are fully equipped for the future – including 5G. With outstanding flexibility and suitable for virtually all applications – especially in the frequency range above 6 GHz – users of the NBM-550 field strength meter can enjoy the benefits of tomorrow’s advanced technology today.
New additions to the range of products for Narda’s rugged broadband field meters (NBM) include the EF 4091 (40 MHz to 40 GHz) and EF 9091 (100 MHz to 90 GHz) electrical field probes for the measurement of field strengths in the highest frequency and millimeter wave bands. In early November 2017, these were joined by the HP-01 magnetometer – Narda’s new isotropic probe for the lowest frequency band. This provides frequency-selective analysis of static and time-variable magnetic fields from 0 Hz (DC) to 1 kHz and completes the portfolio at the lowest end of the spectrum. The newly developed magnetic field probe offers a high dynamic range of 120 dB and is thus highly recommended for use in occupational health and safety applications. It is ideal for evaluating field exposures in manufacturing industry workplaces with high static magnetic fields in accordance with the European Directive 2013/35/EU. The HP-01 incorporates non-directional Hall effect sensors that cover an extremely wide measurement range from 10 µT to 10 T (Tesla - magnetic flux density) in a single device. The instrument can be controlled using the HP01-TS PC software solution (supplied) and from mid-2018 also via the NBM-550. Typical applications include safety measurements in the areas of electromobility, electrolysis, magnetic stirrers, permanent magnets and magnetic resonance tomography (MRT) as well as DC motors and generators.
Safety in the workplace with the NBM-550: A suitable probe makes it simple to measure field strength when working on transmission masts
This high level of planning security for the future also includes 5G mobile communications as Narda already covers all frequency bands from 700 MHz to 86 GHz. The SRM-3006 even permits selective measurements of individual services up to 6 GHz. However, the highest bit rates of up to 10 Gbit/s, promised for the next generation of mobile communications, will primarily be achieved in the “high band” above 6 GHz as this offers greater bandwidth. The 26 GHz band, in particular, and the various bands in the millimeter spectrum between 31 and 86 GHz will be used here for data transmission. Extensive testing will be essential because the complexity and technical challenges of mobile telecommunication systems and equipment increase rapidly for manufacturers as the frequency band rises. Although the first test installations have already been built, the testing phase for 5G will really begin in 2018. Those users who choose the NBM with 90 GHz probe from Narda are sure to be well- equipped for all eventualities over the coming years. As a manufacturer of measurement instruments, Narda STS currently offers products for all 5G systems including the highest frequencies – and this at an extremely early stage in the testing phase for these services.
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Detecting Benzene in Hazardous Areas
Benzene is an industrial chemical commonly found throughout the petrochemical industry. It is extremely hazardous and a recognised human carcinogen so essential that sub parts per million (ppm) benzene concentrations can be measured rapidly in the presence of the hundreds of aromatic and aliphatic compounds encountered in the industry.
Traditionally it has not been possible to collect accurate measurements due to a lack of available technology. However, Ion Science offers a range of high performance personal, handheld and fixed benzene specific photoionisation detectors (PIDs) for use in hazardous applications across the world.
For safety critical zones, Titan is the world’s only fixed, continuous benzene specific monitor for detection of ambient benzene in petrochemical and refinery applications where traditional methods suffer cross interference. Providing the ultimate near real-time protection of workforce, environment and plant, Titan is capable of detecting benzene levels down to 0.1 ppm and up to 20ppm.
When a sample is taken, the benzene component is chemically filtered using a robust separation technology eliminating false positive measurements.
The Ion Science Tiger Select handheld benzene detector with two-mode operation rapidly detects benzene and Total Aromatic Compounds (TACs) providing the most accurate, reliable data you can count on. It is instantly ready to use and selectively detects benzene with the use of the benzene pre-filter tube and can be connected directly to a PC via the USB offering an easy instrument upgrade via the web.
Throughout the measurement process, Tiger Select continues to display real time data, ensuring the final reading represents the full value of actual benzene present* Benzene concentrations are displayed down to ppb levels.
As the world’s smallest, lightest and most sensitive gas detector, Ion Science’s CubTAC personal PID features an audible, vibrating and flashing LED alarm designed to give workers an early warning of exposure to hazardous gases, including benzene, before they reach harmful levels.
The Titan, CubTAC and Tiger Select all incorporate Ion Science’s next generation MiniPID 2 sensor which offers increased temperature stability, greater sensor-to-sensor consistency and more repeatable performance.
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The MiniPID 2 ensures fast, accurate and humidity resistant detection of VOC gases, as well as lower running current, robust lamp illumination and more reliable operation at extreme temperatures.
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